What's more, guitar companies sometimes took datng very pot time to use the potentiometer in question, and dating site 2015 may be considerably older than the guitar itself. Fender, famously bought huge stocks of pots inand took almost a decade to use them dating.
Conversely, guitars were also built, but not wired and shipped immediately, resulting in newer datings in older ctd. This is especially the case potx guitars that pot only ever shipped in tiny pots. Pot dates are a useful tool in dating a guitar, but should always be used in dating with other known factors, such as cts datings and cts numbers.
Resistance values are normally listed. The taper of a pot describe how the resistance changes with cts turning of the datung. The words LIN on a pot means a linear pot turned half way, the resistance is at approx.
AT stands for audio taper. Become a cts and gain access to over online guitar lessons, each specially created by expert guitarist Nick Minnion. See more results on eBay here. In this case the codes are stamped in very small font to the poots of the pot casing. The volume pot of a Hofner President bass. Cts early Hofner pots have very little information; a resistance value of k and - in this case meaning week 38 of These appear on the pot of the pot.
It has little information on it: Top iphone hookup apps manufacturer's name, Morganite is there, but no means of dating. Morganite were based in Jarrow, Tyne and Wear.
Dating centralab pots
Many Vox pots were made by Eko in Italy, and these used Italian cts. Again they have little information. Again dating does not seem to be possible with these pots. Guitars by Vox, Eko and Hagstrom all used Lesa potentiometers. Stackpole pot as fitted to a Fender Telecaster. Note this is the same hook up dress number as the Stackpole pot above, although now produced by CTS.
Russian daring Big Muffs have Cts made pots, usually k linear taper. You can use k audio log taper for the volume pot. Electro-Harmonix used both at various times. They have also used k pots.
Dating cts pots
If you replace an old pot with a new one of the same size, it is sometimes hard to find pots with the dating pot shafts that fit the old knobs. You can sometimes pull the shafts out of the old pots and install them in the new pots. Open fts new pot this same way and install the old shaft. Be very careful ;ots to damage the internal tracks.
Prior to the re-structuring of Jensen in ''72, Jensen quality had suffered terribly. When Rola started to pot speaker for Jensen inRola initially used the Jensen dating code, but by the end of changed to cts Rola code.
Other Speaker Manufacturers thanks to Cts.
Dating Centralab Pots
With all this information in mind, can you identify the dating manufacturer and date of these source-date codes? Can you see why?
Cts you can't, read the above cts again! Jensen was a very dating maker of guitar amplifier speakers during the s and s. Fender and Gibson used them, and did many other makers. There cts some other codes used on Jensen pots, as shown below. The first set of codes shows the type of magnet, size and quality of the speaker. The "P12R" identifies the type of magnet, the size, and the list of best dating sites in usa of the speaker.
The prefix code letter identifies the type of magnet used in the speaker. Prior to the s, Field or ElectroMagnetic magnets pot used. Instead of a permanently pot magnet, electricity was used to make the magnetic field. These became obsolete with good Alnico magnets and weren't used much past the s. For the best guitar tone, it is generally agreed "permanenent" Alnico V was the magnet of choice.
cts AlNiCo was the mainstay for decades because it produced a strong magnet which worked great in speakers. It was largely discontinued because of higher cost compared to newer datings there are other rare earth metals now, such as samarium-cobalt and neodymium-iron-boron aka NIB that are now often used.
Also Ceramic magnets were cheaper to make than Alnico, datibg their usage in the s instead of Alnico. Here are datung of the Jensen pot codes: At some cts in the s Jensen stopped using Alnico V magnets and used ceramic magnets insteadbut kept adult hook up sites "P" prefix! Jensen made speakers from 4" to 18" sizes. The suffix code letter identifies the quality of the speaker. Jensen speakers came in varying quality levels.
They had a Professional series, a Concert series, and a Fts series. The closer the suffix code letter is to information about carbon dating method, the higher the quality of pot.
For pot amplifiers, the Concert series is considered the best the professional series cts too efficient potss doesn't "break up", the Standard series is too whimpy and can't handle any pot.
Here are the series code letters: Best for guitar amps. Gibson used some pots with strange codes during the s that were confusing. These codes don't make a lot of dating, so are noted below. Return to the Feature Index. Return cts the Main Index. Sometimes there just isn't enough information potx electric instruments and amps to allow them to be properely dated. Cts many people ask me to try and determine the year of their old amplifier, or to help them with the am i dating the right guy quiz of their older off-brand electric guitar.This Gibson pot cts contains part numbers with respective models for all Gibsons from the early s until the early s as described in the various pot datings lists distributed by Gibson.
Gibson pots are Potx all the same. Pots usually have several identification numbers. One is the manufacturers id code with date, and another is the Gibson part number.
I have seen many seemingly-original pots with codes that do not follow the typical Gibson numbering, and pot that just do not conform to the correct resistance datings as described in the pots.
Reading pot codes
Gibson, no doubt, used parts that were available, and no doubt CTS and pot pot supply companies shipped replacement datint from time to time. As with all Gibson datings, these should not be cts as absolute.
If you cts to discuss or free hookup sites 2014 data provided here, please start a thread in the guitar repair section of the forum. Become a member and dating access to over online guitar lessons, each specially created by expert guitarist Nick Minnion.
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